Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369657 | Silicon-based microlaser by doped thin films | Chih-Chen Cho | 1994-11-29 |
| 5306385 | Method for generating photoluminescence emission lines from transition element doped CAF2 thin films over a Si-based substrate | Chih-Chen Cho, Tsen-Hwang Lin, Shou-Kong Fan | 1994-04-26 |
| 5301204 | Porous silicon as a light source for rare earth-doped CaF.sub.2 laser | Chih-Chen Cho | 1994-04-05 |